Digital Root
An interactive consulting agency that offers cutting edge solutions in the areas of business modeling, business development, brand management, web site project management, strategic marketing and PR, and media consulting.
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http://www.ecommerce-now.com/images/ecommerce-now/Economicsthrutime.htm
http://www.interneteconomybooks.com
http://www.storebuilder.co.uk/
http://www.suite101.com/welcome.cfm/e_business_basics